Home / 14,020.23-21,000.18-6,613.59

Finding the Fourth Proportional to 14,020.23, 21,000.18 and 6,613.59

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Solution

The fourth proportional to 14,020.23, 21,000.18 and 6,613.59 is: 9,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.23 : 21,000.18 = 6,613.59 : x
  2. Step 2: Convert to fraction form
    14,020.23/21,000.18 = 6,613.59/x
  3. Step 3: Cross multiply
    14,020.23x = 21,000.18 × 6,613.59
  4. Step 4: Simplify right side
    14,020.23x = 138,886,580.45
  5. Step 5: Solve for x
    x = 138,886,580.45/14,020.23
  6. Step 6: Final answer
    x = 9,906.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.